title: Photochemotherapy of oral lichen planus.
authors.forename: P C
authors.initials: PC
authors.lastname: Yoke
authors.forename: D
authors.initials: D
authors.lastname: Machin
mesh_terms: D006801:Humans; D008010:Lichen Planus / Q000188:drug therapy*; D011701:PUVA Therapy; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D012107:Research Design